class Date{
	public int year;
	public int month;
	public int day;
	
	public void printDate(){
		System.out.println(this.year + "/" + this.month + "/" + this.day);
	}
}
public class wucan{
	public static void main(String[] args){
		Date d = new Date();
		d.printDate();//0/0/0
	}
}